. >> thank you very much, everybody. >> president obama in the east room with afghan president, hamid karzai, as they conclude their press conference, after a long meeting, the two had their ninth summit meeting over the course of this war and the president's first term, most notable out of those comments, the president saying that this war will come in his words, to a responsible end by the end of next year. but this spring, the u.s. role will notably change, with a different mings that afghan forces will be in the lead, no longer u.s. forces. as our pentagon correspondent, jim miklaszewski reminds me, they will still very much be in harm's way in afghanistan and the contentious question of how many troops wil be left behind by the united states after 2014 is still very much the subject of negotiations, more on all of this tonight, on nbc nightly news with brian williams and on "meet the press" on sunday, my guest, colin powell talking about the war and other foreign policy issues on the president's second term. until then, have a good afternoon, i'm david gregory in washington. >>>